Model comparison

Kimi K2.5 vs Llama 3-8B

Kimi K2.5 is the stronger model overall, scoring 48.1 to 25.5 on the Noometry Index.

Last verified . 21 shared benchmarks.

Kimi K2.5 Moonshot AI

48.1

Rank #57 Confirmed

Llama 3-8B Meta

25.5

Rank #344 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Kimi K2.5 scores higher in 8 categories and Llama 3-8B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Kimi K2.5 leads 53.6 to 7.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 92.2% for Kimi K2.5 and 1.9% for Llama 3-8B.

Side by side

Kimi K2.5 and Llama 3-8B specifications
Kimi K2.5Llama 3-8B
ProviderMoonshot AIMeta
Noometry Index48.125.5
Released2026-01-272024-04-18
WeightsOpenOpen
Context window262K—
Max output262K—
Input $ / M tokens$0.45—
Output $ / M tokens$2.25—
Results tracked5134

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Category by category

Coding Kimi K2.5 leads

Kimi K2.5: 48.8 (#53), Llama 3-8B: 31.0 (#289)

Coding benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Coding14741152
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)70.8%—
LMArena WebDev1437—
SWE-bench Multilingual67.3%—
SciCode49%—
WeirdML45.6%—
BigCodeBench Instruct—31.9%
BigCodeBench Complete—36.9%
ALE-Bench821.65—
HumanEval+—56.7%
MBPP+—54.8%

Agentic & Tool Use Not comparable

Kimi K2.5: 34.2 (#48), Llama 3-8B: —

Agentic & Tool Use benchmarks
BenchmarkKimi K2.5Llama 3-8B
Terminal-Bench43.2%—
OSWorld63.3%—
Vending-Bench 21,198—

Reasoning Kimi K2.5 leads

Kimi K2.5: 31.2 (#80), Llama 3-8B: 14.3 (#326)

Reasoning benchmarks
BenchmarkKimi K2.5Llama 3-8B
Chess Puzzles12%0%
LMArena Hard Prompts14531133
Epoch Capabilities Index148.03116.45
ARC-AGI-211.8%—
SimpleBench46.8%—
Kagi LLM Benchmark78.5%—
NYT Connections (extended)69.9%—
ARC-AGI-165.3%—
CritPt3.1%—
EnigmaEval3.4%—
Thematic Generalization69.4%—
DTBench—43.9%
Adversarial NLI—57.3%
ForecastBench—58.6
WinoGrande—75.7%

Math Kimi K2.5 leads

Kimi K2.5: 51.8 (#53), Llama 3-8B: 8.8 (#323)

Math benchmarks
BenchmarkKimi K2.5Llama 3-8B
OTIS Mock AIME 2024-202592.2%1.9%
LMArena Math14701151
MathArena Final-Answer Competitions62.3%—
MATH Level 5—6.1%
FrontierMath (Feb 2025 set)27.9%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Kimi K2.5 leads

Kimi K2.5: 53.6 (#56), Llama 3-8B: 7.8 (#308)

Knowledge benchmarks
BenchmarkKimi K2.5Llama 3-8B
GPQA Diamond87.6%26.1%
LMArena Expert14661113
Humanity's Last Exam24.4%—
SimpleQA Verified34.3%—
Vectara Hallucination Rate14.2%—
ARC (AI2) Challenge—82.8%
MMLU—68.8%
OpenBookQA—82.6%
TriviaQA—67.7%

Multimodal Not comparable

Kimi K2.5: 41.1 (#39), Llama 3-8B: —

Multimodal benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Vision1269—
LMArena Document1430—

Multilingual Kimi K2.5 leads

Kimi K2.5: 53.9 (#53), Llama 3-8B: 30.8 (#261)

Multilingual benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Non-English14331098
LMArena Chinese14951076
LMArena French14541159
LMArena German14411104
LMArena Japanese1421967
LMArena Korean14101004
LMArena Russian14351109
LMArena Spanish14501173

Instruction Following Kimi K2.5 leads

Kimi K2.5: 75.3 (#64), Llama 3-8B: 58.4 (#260)

Instruction Following benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Instruction Following14311127

Long Context Kimi K2.5 leads

Kimi K2.5: 52.1 (#7), Llama 3-8B: 34.2 (#251)

Long Context benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Longer Query14451128
Fiction.LiveBench86.1%—
CL-bench19.3%—
CL-bench Life13.2%—

Writing & Preference Kimi K2.5 leads

Kimi K2.5: 65.1 (#53), Llama 3-8B: 37.5 (#256)

Writing & Preference benchmarks
BenchmarkKimi K2.5Llama 3-8B
LMArena Text14451166
LMArena Creative Writing14231150
LMArena Multi-Turn14441152
EQ-Bench Creative Writing1579—

Frequently asked questions

Is Kimi K2.5 better than Llama 3-8B?

Kimi K2.5 is the stronger model overall, scoring 48.1 to 25.5 on the Noometry Index.

Is Kimi K2.5 or Llama 3-8B better for coding?

Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 31.0 in the Noometry coding category.

How many benchmarks do Kimi K2.5 and Llama 3-8B share?

21 benchmarks have published results for both models. Kimi K2.5 has 51 scored results on Noometry and Llama 3-8B has 34.

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